[48] See the ingenious Essays on Electricity, in the Transactions, by Mr. Ellicot.
[49] See [page 173].
[50] See note in [page 214].
[51] See the first sixteen Sections of the former paper, called [Farther Experiments], &c.
[52] See Sect. 10, of [Farther Experiments], &c.
[53] In the dark the electric fluid may be seen on the cushion in two semi-circles or half-moons, one on the fore-part, the other on the back part of the cushion, just where the globe and cushion separate. In the fore crescent the fire is passing out of the cushion into the glass; in the other it is leaving the glass, and returning into the back part of the cushion. When the prime conductor is applied to take it off the glass, the back crescent disappears.
[54] Gilt paper, with the gilt face next the glass, does well
[55] See [Further Experiments], Sect. 15.
TO PETER COLLINSON, ESQ. F. R. S. LONDON.